164 of 220 Anatel A643a Maintenance - Anatel A643a
RPS - June 2007 - Edition 12
Operator Manual Anatel
12) Align the two UV Lamp Connectors and stem with the receptacles and press straight
against the stem to seat the plugs.
13) Exchange the Air Filter in the bottom of the instrument enclosure with a new one from
the Replacement Kit (refer to the accompanying Kit Instructions to replace the second
Air Filter.
14) Hold the Water I/O Cover to support it while reconnecting the the inlet and outlet tubing
to the Water In and Water Out ports. Screw the compression nuts finger-tight.
15) Align the cable pins and reconnect the Sample Valve Connector. Also reconnect the
Ground Wire.
16) Tuck the wires and tubing inside the Analyzer enclosure and replace the Water I/O
Cover.
17) Tighten the four 5/64" hex bolts evenly to seal the Water I/O Cover on the enclosure—
overtightening the hex bolts may break the seal.
18) Reconnect the sample water supply tubing to the instrument’s Water In port and the
drain tubing to the Water Out port.
19) Plug the AC power cord into its supply and turn the Anatel A643a Analyzer ON.
The Analyzer’s internal counter tracks UV lamp usage. It must be reset each time a new lamp
is installed in order to accurately report when light intensity has diminished below
recommended levels.
Fig 13-12 : Inserting the UV Lamp Connector
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